<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Promise自定义封装</title>
  <script src="./promise.js"></script>
</head>

<body>
  <script>
    let p1 = new Promise((resolve, reject) => {
      resolve('OK')
      console.log(111)
    })
    p1.then(value=>{
      console.log(222)
    })
    console.log(333)
    let p2 = new Promise((resolve, reject) => {
      resolve('Success')
    })
    let p3 = new Promise((resolve, reject) => {
      resolve('Oh Yeah')
    })

    let result = Promise.all([p1, p2, p3])
    console.log(result)

    let res = Promise.race([p1, p3, p2])
    console.log(res)
  </script>
</body>

</html>